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66 lines
1.9 KiB
66 lines
1.9 KiB
2 months ago
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/** @defgroup ethernet_phy_file PHY Generic Drivers
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*
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* @ingroup ETH
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*
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* @brief <b>Ethernet PHY Generic Drivers</b>
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*
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* @version 1.0.0
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* @author @htmlonly © @endhtmlonly 2013 Frantisek Burian <BuFran@seznam.cz>
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*
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* @date 1 September 2013
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*
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*
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* LGPL License Terms @ref lgpl_license
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/ethernet/mac.h>
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#include <libopencm3/ethernet/phy.h>
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/**@{*/
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/*---------------------------------------------------------------------------*/
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/** @brief Is the link up ?
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*
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* @param[in] phy uint8_t phy ID of the PHY
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* @returns bool true, if link is up
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*/
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bool phy_link_isup(uint8_t phy)
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{
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return eth_smi_read(phy, PHY_REG_BSR) & PHY_REG_BSR_UP;
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}
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/*---------------------------------------------------------------------------*/
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/** @brief Reset the PHY
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*
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* Reset the PHY chip and wait for done
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* @param[in] phy uint8_t phy ID of the PHY
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*/
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void phy_reset(uint8_t phy)
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{
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eth_smi_write(phy, PHY_REG_BCR, PHY_REG_BCR_RESET);
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while (eth_smi_read(phy, PHY_REG_BCR) & PHY_REG_BCR_RESET);
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}
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/*---------------------------------------------------------------------------*/
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/**@}*/
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